Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 112, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 13, 2003, 7:17 PM CDT for Atascosa County, Texas. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2003, 7:17 PM CDT (00:17 UTC)
- Expired
- Jun 13, 2003, 8:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Atascosa County, TX
The radar
The Austin/San Antonio radar (KEWX), 98 km from the middle of the area, began a volume at 00:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 13, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.3 hours before the alert went out and 180 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3720 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
924
WUUS54 KEWX 140017
SVRSAT
TXC013-140115-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
716 PM CDT FRI JUN 13 2003
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
ATASCOSA
* UNTIL 815 PM CDT
* AT 716 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS OVER FRIO COUNTY MOVING EAST AT 35
MPH INTO ATASCOSA COUNTY.
* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
CHARLOTTE
POTEET
JOURDANTON
PLEASANTON
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.
LAT...LON 2923 9881 2891 9880 2865 9880 2866 9829
2879 9812 2899 9830 2913 9845
$$What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 13, 2:55 PM CDT, 4 hours 22 minutes earlier.
Area forecast discussion, Jun 13, 2:55 PM CDT, 4 hours 22 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 255 PM CDT FRI JUN 13 2003 ...FLASH FLOOD WATCH AND SEVERE THUNDERSTORM WATCH OUT SOON... POTENT SHORTWAVE TROUGH OVER NORTHERN MEXICO APPROACHING RAPIDLY AND IS THE MAIN INGREDIENT FOR INCREASED POPS TONIGHT...WHICH WILL INCREASE FROM SOUTH TO NORTH WITH 100 PERCENT POPS FOR THE AUSTIN METRO AND COUNTIES NORTH. MORE CONVECTION CURRENTLY FIRING OVER WESTERN VAL VERDE AND ALONG THE SIERRA MADRES WILL MOVE EAST WITH TIME AND BRING HEAVY RAIN TO AREAS THAT ALREADY RECEIVED HEAVY RAIN THIS MORNING. WITH PWS 120-150 PERCENT OF NORMAL...WILL GO AHEAD AND PULL THE TRIGGER ON A FLASH FLOOD WATCH FOR OUR NORTHERN COUNTIES. WILL HAVE FFA OUT SHORTLY. SEVERE THREAT THIS AFTERNOON AND EVENING ON THE INCREASE AS WELL...WILL BE HANDLED BY A WATCH DUE OUT SHORTLY...MAINLY FOR THE NORTHERN HALF OF SOUTH CENTRAL TEXAS. CLUSTER MOVING EAST ACROSS THE HILL COUNTRY WILL BE MOVING INTO A VERY UNSTABLE AIRMASS WITH CAPES OF 3500-5000 AND STRONG LOW LEVEL INFLOW. WILL MAKE A MESS DURING RUSH-HOUR TRAFFIC. NO SIGNIFICANT CHANGES TO THE PREVIOUS FORECAST FOR MONDAY THRU WEDNESDAY...WITH A TREND TOWARD CLIMO THEREAFTER. 11/03 PRELIMINARY NUMBERS... AUS 094/075 092/070 090 36433 DRT 096/074 096/075 094 26233 SAT 094/076 094/074 092 25433 .EWX...NONE.
Hazardous weather outlook, Jun 13, 6:00 AM CDT, 13 hours 17 minutes before
TXZ171>173-183>194-202>209-217>225-228-141200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 AM CDT FRI JUN 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON MAINLY OVER WESTERN PORTIONS OF SOUTH CENTRAL TEXAS...MAINLY VAL VERDE...EDWARDS AND KINNEY COUNTIES. SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP BY LATE AFTERNOON ALONG A DRY LINE OVER WEST TEXAS AND SPREAD RAPIDLY EASTWARD. A MODERATE RISK OF SEVERE STORMS EXISTS THIS EVENING THROUGHOUT ALL OF SOUTH CENTRAL TEXAS AS A VIGOROUS UPPER AIR DISTURBANCE MOVES ACROSS THE AREA. THIS INCLUDES THE AUSTIN AND SAN ANTONIO METRO AREAS. LARGE HAIL AND DAMAGING WINDS MAY OCCUR ALONG WITH A FEW TORNADOES LATE THIS AFTERNOON AND TONIGHT. .DAYS TWO THROUGH SEVEN... ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE SATURDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS AFTERNOON AND EVENING FOR MUCH OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY.
In the hours before
Local storm report, Jun 13, 5:49 PM CDT, 1 hour 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
549 PM CDT FRI JUN 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0503 PM DEL RIO TX FLASH FLOODS
06/13/03 VAL VERDE LOW WATER CROSSINGS
CLOSED
REPORTED BY LAW
ENFORCEMENT
0520 PM BARTLETT TX 65 MPH TSTM WIND GUST
06/13/03 WILLIAMSON TREES DOWN
REPORTED BY LAW
ENFORCEMENT
0525 PM MOPAC TX WIND DAMAGE
06/13/03 TRAVIS PHONE POLES DOWN
REPORTED
BY SPOTTERS
0559 PM AUSTIN AIRPORT TX .75 INCH HAIL
06/13/03 TRAVIS REPORTED BY
ASOS
VL/DCLocal storm report, Jun 13, 6:56 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
656 PM CDT FRI JUN 13 2003
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0640 PM CRYSTAL CITY TX WIND DAMAGE
06/13/03 ZAVALA WIRES, POLES AND TREES
DOWN
REPORTED BY LAW
ENFORCEMENT
DCThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 7:08 PM CDT | Tornado Warning | EWX | Frio | 67 min |
| Jun 13, 7:30 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe | 60 min |
| Jun 13, 7:55 PM CDT | Flash Flood Warning | EWX | Atascosa, Guadalupe, Wilson | 3 hr |
| Jun 13, 8:37 PM CDT | Flash Flood Warning | EWX | Caldwell, Gonzales, Karnes | 3 hr |
| Jun 13, 9:08 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 52 min |
| Jun 13, 9:49 PM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 71 min |
| Jun 13, 10:00 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 30 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.